Watch Castle Season 5 Episode 20 online via TV Fanatic with over 7 options to watch the Castle S5E20 full episode. Affiliates with free and paid streaming include Amazon, iTunes, Vudu, YouTube Purchase, Google Play, TNT, and Verizon On Demand.
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When a dead woman is found with claw like slash marks, Rick wants to believe Big Foot is the culprit on Castle.